IMAGING LENS AND IMAGING APPARATUS
    11.
    发明申请
    IMAGING LENS AND IMAGING APPARATUS 有权
    成像镜头和成像设备

    公开(公告)号:US20160085055A1

    公开(公告)日:2016-03-24

    申请号:US14855867

    申请日:2015-09-16

    Inventor: Taro ASAMI

    CPC classification number: G02B13/0045 G02B9/64 G02B13/04 G02B27/0025

    Abstract: An imaging lens consists of, in order from the object side, a negative first lens, a positive second lens, a positive third lens, a negative fourth lens, a positive fifth lens, a positive sixth lens, and a negative seventh lens. When f12 is the combined focal length of the first lens and the second lens, f is the focal length of the entire system, νd7 and νd3 are respectively the Abbe's numbers of the materials of the seventh lens and the third lens with respect to the d line, the following conditional formulae are satisfied: f12/f

    Abstract translation: 成像透镜从物体侧依次包括负的第一透镜,正的第二透镜,正的第三透镜,负的第四透镜,正的第五透镜,正的第六透镜和负的第七透镜。 当f12是第一透镜和第二透镜的组合焦距时,f是整个系统的焦距,&alpha; d7和&ngr; d3分别是第七透镜和第三透镜的材料的阿贝数 对于d行,满足以下条件式:f12 / f <-3.2(1)&ngr; d7 <55(2)40 <&ngr; d3(3)。

    IMAGING LENS
    12.
    发明申请
    IMAGING LENS 有权
    成像镜头

    公开(公告)号:US20150205075A1

    公开(公告)日:2015-07-23

    申请号:US14675952

    申请日:2015-04-01

    CPC classification number: G02B13/0045 G02B9/62 G02B13/04 G02B13/06 G02B13/18

    Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. When a curvature radius of an object-side surface of the fourth lens is R8, and a curvature radius of an image-side surface of the fourth lens is R9, and an Abbe number of the material of the third lens for d-line is νd3, and an Abbe number of the material of the fifth lens for d-line is νd5, the following conditional formulas (1) and (6) are satisfied: −0.61

    Abstract translation: 成像透镜基本上由物体侧依次由负的第一透镜,负的第二透镜,正的第三透镜,正的第四透镜,负的第五透镜和正的第六透镜的六个透镜组成。 当第四透镜的物体侧表面的曲率半径为R8时,第四透镜的像侧表面的曲率半径为R9,并且用于d线的第三透镜的材料的阿贝数为 &ngr; d3,并且d线的第五透镜的材料的阿贝数为n5;满足以下条件式(1)和(6):-0.61 <(R8 + R9)/(R8- R9)<0.44(1); 和38.1 <&ngr; d3 +&ngr; d5 <45.1(6)。

    IMAGING LENS
    13.
    发明申请
    IMAGING LENS 有权
    成像镜头

    公开(公告)号:US20150205074A1

    公开(公告)日:2015-07-23

    申请号:US14675892

    申请日:2015-04-01

    CPC classification number: G02B13/0045 G02B9/62 G02B13/04 G02B13/06 G02B13/18

    Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. When a curvature radius of an object-side surface of the fourth lens is R8, and a curvature radius of an image-side surface of the fourth lens is R9, and an Abbe number of the material of the third lens for d-line is νd3, and an Abbe number of the material of the fifth lens for d-line is νd5, the following conditional formulas (1) and (6) are satisfied: −0.61

    Abstract translation: 成像透镜基本上由物体侧依次由负的第一透镜,负的第二透镜,正的第三透镜,正的第四透镜,负的第五透镜和正的第六透镜的六个透镜组成。 当第四透镜的物体侧表面的曲率半径为R8,第四透镜的像侧表面的曲率半径为R9时,d线的第三透镜的材料的阿贝数为 &ngr; d3,并且d线的第五透镜的材料的阿贝数为n5;满足以下条件式(1)和(6):-0.61 <(R8 + R9)/(R8- R9)<0.44(1); 和38.1 <&ngr; d3 +&ngr; d5 <45.1(6)。

    IMAGING LENS AND IMAGING APPARATUS
    14.
    发明申请
    IMAGING LENS AND IMAGING APPARATUS 有权
    成像镜头和成像设备

    公开(公告)号:US20150177494A1

    公开(公告)日:2015-06-25

    申请号:US14579118

    申请日:2014-12-22

    Inventor: Taro ASAMI

    Abstract: An imaging lens composed of six lenses of a negative first lens, a positive second lens, a negative third lens, a positive fourth lens, a positive fifth lens, and a negative sixth lens, disposed in order from the object side, and when refractive indices of the third lens to the sixth lens are taken as Nd3 to Nd6 respectively, the imaging lens satisfies conditional expressions (1): Nd3

    Abstract translation: 由物体侧依次配置的由负的第一透镜,正的第二透镜,负的第三透镜,正的第四透镜,正的第五透镜和负的第六透镜的六个透镜构成的成像透镜, 将第三透镜与第六透镜的指数分别作为Nd3〜Nd6,成像透镜满足条件式(1):Nd3 <21 1.7,(2):Nd4 <1.6,(3):Nd5 <1.6,(4) ):Nd6 <1.89。

    IMAGING LENS AND IMAGING APPARATUS
    15.
    发明申请
    IMAGING LENS AND IMAGING APPARATUS 有权
    成像镜头和成像设备

    公开(公告)号:US20140204478A1

    公开(公告)日:2014-07-24

    申请号:US14219018

    申请日:2014-03-19

    CPC classification number: G02B13/0045 G02B9/62 G02B13/04 G02B13/06 G02B13/18

    Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. When a curvature radius of an object-side surface of the fourth lens is R8, and a curvature radius of an image-side surface of the fourth lens is R9, and an Abbe number of the material of the third lens for d-line is νd3, and an Abbe number of the material of the fifth lens for d-line is νd5, the following conditional formulas (1) and (6) are satisfied: −0.61

    Abstract translation: 成像透镜基本上由物体侧依次由负的第一透镜,负的第二透镜,正的第三透镜,正的第四透镜,负的第五透镜和正的第六透镜的六个透镜组成。 当第四透镜的物体侧表面的曲率半径为R8时,第四透镜的像侧表面的曲率半径为R9,并且用于d线的第三透镜的材料的阿贝数为 &ngr; d3,并且d线的第五透镜的材料的阿贝数为n5;满足以下条件式(1)和(6):-0.61 <(R8 + R9)/(R8- R9)<0.44(1); 和38.1 <&ngr; d3 +&ngr; d5 <45.1(6)。

    VARIABLE MAGNIFICATION OPTICAL SYSTEM AND IMAGING APPARATUS

    公开(公告)号:US20210141198A1

    公开(公告)日:2021-05-13

    申请号:US17094288

    申请日:2020-11-10

    Abstract: A variable magnification optical system consists of, in order from an object side to an image side, a first lens group, a second lens group, and a subsequent lens group. The variable magnification optical system satisfies a predetermined conditional expression for a partial dispersion ratio related to F line, C line, and a wavelength of 1970.09 nm, a d-line back focus of the variable magnification optical system at a telephoto end, a back focus in any one wavelength from a wavelength of 1300 nm to a wavelength of 2325.42 nm at the telephoto end, and a d-line focal length of the variable magnification optical system at the telephoto end.

    IMAGING LENS AND IMAGING APPARATUS
    18.
    发明申请
    IMAGING LENS AND IMAGING APPARATUS 有权
    成像镜头和成像设备

    公开(公告)号:US20160085054A1

    公开(公告)日:2016-03-24

    申请号:US14855734

    申请日:2015-09-16

    Inventor: Taro ASAMI

    CPC classification number: G02B13/0045 G02B9/64 G02B13/04 G02B27/0025

    Abstract: An imaging lens consists of, in order from the object side, a negative first lens, a positive second lens, a positive third lens, a negative fourth lens, a positive fifth lens, a positive sixth lens, and a negative seventh lens. When f is the focal length of the entire system, D4 is the air space between the second lens and the third lens, f345 is the combined focal length of the third lens, the fourth lens, and the fifth lens, f1 is the focal length of the first lens, and f2 is the focal length of the second lens, the following conditional formulae are satisfied: D4/f

    Abstract translation: 成像透镜从物体侧依次包括负的第一透镜,正的第二透镜,正的第三透镜,负的第四透镜,正的第五透镜,正的第六透镜和负的第七透镜。 当f是整个系统的焦距时,D4是第二透镜和第三透镜之间的空间空间,f345是第三透镜,第四透镜和第五透镜的组合焦距,f1是焦距 ,f2是第二透镜的焦距,满足以下条件式:D4 / f <0.39(4)1.8

    IMAGING LENS AND IMAGING APPARATUS
    19.
    发明申请
    IMAGING LENS AND IMAGING APPARATUS 有权
    成像镜头和成像设备

    公开(公告)号:US20160085053A1

    公开(公告)日:2016-03-24

    申请号:US14855405

    申请日:2015-09-16

    Inventor: Taro ASAMI

    CPC classification number: G02B13/0045 G02B9/64 G02B13/04 G02B27/0025

    Abstract: An imaging lens consists of, in order from the object, a negative first lens, a positive second lens, a positive third lens, a negative fourth lens, a positive fifth lens, a positive sixth lens, and a negative seventh lens. When νd7 is the Abbe's number of the material for the seventh lens, f is the focal length of the entire system, and f5 is the focal length of the fifth lens, the following conditional formulae are satisfied: νd7

    Abstract translation: 成像透镜从物体起依次包括负的第一透镜,正的第二透镜,正的第三透镜,负的第四透镜,正的第五透镜,正的第六透镜和负的第七透镜。 当&ngr; d7是第七透镜的材料的阿贝数时,f是整个系统的焦距,f5是第五透镜的焦距,满足以下条件式:&ngr; d7 <55( 2)1.25

    IMAGING LENS AND IMAGING APPARATUS
    20.
    发明申请
    IMAGING LENS AND IMAGING APPARATUS 有权
    成像镜头和成像设备

    公开(公告)号:US20150346458A1

    公开(公告)日:2015-12-03

    申请号:US14820587

    申请日:2015-08-07

    Inventor: Taro ASAMI

    CPC classification number: G02B9/60 G02B9/34 G02B13/0015 G02B13/04 G02B13/18

    Abstract: An imaging lens consists of five lenses of, in order from the object side, a negative first lens, a positive second lens, a negative third lens, a positive fourth lens, and a positive fifth lens. The following conditional expressions are satisfied: Nd3

    Abstract translation: 成像透镜由从物体侧起依次为负的第一透镜,正的第二透镜,负的第三透镜,正的第四透镜和正的第五透镜的五个透镜组成。 满足以下条件表达式:Nd3 <1.75(1); &ngr; d3 <27(2); (R3 + R4)/(R3-R4)(4); 和f12 / f <1.5(5),其中Nd3是用于d线的第三透镜的材料的折射率,d3是用于d线的第三透镜的材料的阿贝数,R3是 第二透镜的物体侧表面的曲率半径,R4是第二透镜的像侧表面的曲率半径,f12是第一透镜和第二透镜的组合焦距,f是焦距 的整个系统。

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